Home / 39,686.05-59,517.19-15,985.99

Finding the Fourth Proportional to 39,686.05, 59,517.19 and 15,985.99

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Solution

The fourth proportional to 39,686.05, 59,517.19 and 15,985.99 is: 23,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,686.05 : 59,517.19 = 15,985.99 : x
  2. Step 2: Convert to fraction form
    39,686.05/59,517.19 = 15,985.99/x
  3. Step 3: Cross multiply
    39,686.05x = 59,517.19 × 15,985.99
  4. Step 4: Simplify right side
    39,686.05x = 951,441,204.17
  5. Step 5: Solve for x
    x = 951,441,204.17/39,686.05
  6. Step 6: Final answer
    x = 23,974.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.